BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
284 
Fie. 171.—Teosinte, Huchlaena mexicana. Sketch of plant, much reduced; pistillate in- 
florescence inclosed in bract (a) and with portion of bract removed (b), X 1; lateral 
view of joint of rachis and the fertile spikelet (c), * 2; dorsal view of same, show- 
ing first glume (d), X 2. 
